Contact Dr Al Savvaris
Areas of expertise
- Aeronautical Systems
- Autonomous Systems
- Computing, Simulation & Modelling
- Electric and Hybrid Vehicles
- Systems Engineering
- Vehicle Health Management
Background
Al Savvaris received the M.Eng. degree in aerospace systems engineering from the University of Hertfordshire, Hertfordshire, U.K., in 1998, and the Ph.D. degree in radiowave propagation and system design from the University of South Wales, Pontypridd, U.K., in 2004. He has also been a Reader with the Centre for Cyber-Physical Systems, Cranfield University, Cranfield, U.K. He established the Autonomous Vehicle Dynamics and Control M.Sc. course and the COMAC training program at Cranfield University. He has authored and coauthored more than 100 peer-reviewed journal and conference papers. In the past, he researched on the FLAVIIR and ASTRAEA UAS Projects, developing new technologies for unmanned systems, researching on hardware and system integration. He has been involved with Innovate U.K. Funded AirStart and USMOOTH Projects and his research interests include systems integration, hybrid energy management, communication systems, embedded systems, guidance, and control.
Current activities
System integration
Autonomous systems
power management
system integration
avionics and communication systems.
Sense and Avoid
Clients
BAE Systems
QinetiQ
ASV ltd
dstl
Airbus
Rotron
Lockheed Martin
COMAC
Publications
Articles In Journals
- Chai R, Tsourdos A, Chai S, Xia Y, Savvaris A, .... (2023). Multiphase Overtaking Maneuver Planning for Autonomous Ground Vehicles Via a Desensitized Trajectory Optimization Approach. IEEE Transactions on Industrial Informatics, 19(1)
- Xie Y, He S, Savvaris A, Tsourdos A, Zhang D, .... (2022). Convexification in energy optimization of a hybrid electric propulsion system for aerial vehicles. Aerospace Science and Technology, 123(April)
- Chai R, Tsourdos A, Savvaris A, Chai S, Xia Y, .... (2022). Design and implementation of deep neural network-based control for automatic parking maneuver process. IEEE Transactions on Neural Networks and Learning Systems, 33(4)
- Chai R, Tsourdos A, Savvaris A, Chai S, Xia Y, .... (2021). Review of advanced guidance and control algorithms for space/aerospace vehicles. Progress in Aerospace Sciences, 122
- Chai R, Tsourdos A, Savvaris A, Chai S & Xia Y. (2021). Solving constrained trajectory planning problems using biased particle swarm optimization. IEEE Transactions on Aerospace and Electronic Systems, 57(3)
- Niu H, Ji Z, Savvaris A & Tsourdos A. (2020). Energy efficient path planning for Unmanned Surface Vehicle in spatially-temporally variant environment. Ocean Engineering, 196
- Chai R, Tsourdos A, Savvaris A, Chai S & Xia Y. (2020). Trajectory planning for hypersonic reentry vehicle satisfying deterministic and probabilistic constraints. Acta Astronautica, 177
- Chai R, Tsourdos A, Savvaris A, Wang S, Xia Y, .... (2020). Fast generation of chance-constrained flight trajectory for unmanned vehicles. IEEE Transactions on Aerospace and Electronic Systems, 57(2)
- Chai R, Tsourdos A, Savvaris A, Chai S, Xia Y, .... (2020). Multiobjective overtaking maneuver planning of autonomous ground vehicles. IEEE Transactions on Cybernetics, 51(8)
- Oh H, Kim S, Tsourdos A & Savvaris A. (2020). Comparison of station keeping strategies for long endurance autonomous surface vehicle. Journal of Marine Science and Technology, 25(1)
- Bae S, Shin H-S, Savvaris A, Vaios L & Tsourdos A. (2020). Multi-objective suborbit/orbit trajectory optimisation for spaceplanes. Acta Astronautica, 170
- Chai R, Tsourdos A, Savvaris A, Xia Y & Chai S. (2020). Real-Time Reentry Trajectory Planning of Hypersonic Vehicles: A Two-Step Strategy Incorporating Fuzzy Multiobjective Transcription and Deep Neural Network. IEEE Transactions on Industrial Electronics, 67(8)
- Chai R, Tsourdos A, Savvaris A, Chai S, Xia Y, .... (2020). Multi-objective optimal parking maneuver planning of autonomous wheeled vehicles. IEEE Transactions on Industrial Electronics, 67(12)
- Chai R, Tsourdos A, Savvaris A, Chai S & Xia Y. (2020). High-fidelity trajectory optimization for aeroassisted vehicles using variable order pseudospectral method. Chinese Journal of Aeronautics, 34(1)
- Niu H, Savvaris A, Tsourdos A & Ji Z. (2019). Voronoi-Visibility Roadmap-based Path Planning Algorithm for Unmanned Surface Vehicles. Journal of Navigation, 72(04)
- Yousef A, Savvaris A & Kipouros T. (2019). The interactive design approach for aerodynamic shape design optimisation of the Aegis UAV. Aerospace, 6(4)
- Azabi Y, Savvaris A & Kipouros T. (2019). Artificial intelligence to enhance aerodynamic shape optimisation of the Aegis UAV. Machine Learning and Knowledge Extraction, 1(2)
- Chai R, Savvaris A & Chai S. (2019). Integrated missile guidance and control using optimization-based predictive control. Nonlinear Dynamics, 96(2)
- Abdurahman B, Savvaris A & Tsourdos A. (2019). Switching LOS guidance with speed allocation and vertical course control for path-following of unmanned underwater vehicles under ocean current disturbances. Ocean Engineering, 182
- Chai R, Savvaris A, Tsourdos A, Chai S & Xia Y. (2019). A review of optimization techniques in spacecraft flight trajectory design. Progress in Aerospace Sciences, 109
- Chai R, Savvaris A, Tsourdos A, Chai S & Xia Y. (2019). Stochastic spacecraft trajectory optimization with the consideration of chance constraints. IEEE Transactions on Control Systems Technology, 28(4)
- Chai R, Savvaris A, Tsourdos A, Chai S, Xia Y, .... (2019). Solving trajectory optimization problems in the presence of probabilistic constraints. IEEE Transactions on Cybernetics, 50(10)
- Chai R, Tsourdos A, Savvaris A, Chai S, Xia Y, .... (2019). Six-DOF spacecraft optimal trajectory planning and real-time attitude control: a deep neural network-based approach. IEEE Transactions on Neural Networks and Learning Systems, 31(11)
- Chai R, Savvaris A, Tsourdos A, Chai S & Xia Y. (2018). Optimal fuel consumption finite-thrust orbital hopping of aeroassisted spacecraft. Aerospace Science and Technology, 75
- Chai R, Savvaris A, Tsourdos A, Chai S & Xia Y. (2018). Unified multiobjective optimization scheme for aeroassisted vehicle trajectory planning. Journal of Guidance, Control, and Dynamics, 41(7)
- Niu H, Lu Y, Savvaris A & Tsourdos A. (2018). An energy-efficient path planning algorithm for unmanned surface vehicles. Ocean Engineering, 161
- Chai R, Savvaris A, Tsourdos A, Chai S & Xia Y. (2018). Optimal tracking guidance for aeroassisted spacecraft reconnaissance mission based on receding horizon control. IEEE Transactions on Aerospace and Electronic Systems, 54(4)
- Xie Y, Savvaris A & Tsourdos A. (2018). Sizing of hybrid electric propulsion system for retrofitting a mid-scale aircraft using non-dominated sorting genetic algorithm. Aerospace Science and Technology, 82-83
- Xie Y, Savvaris A & Tsourdos A. (2018). Fuzzy logic based equivalent consumption optimization of a hybrid electric propulsion system for unmanned aerial vehicles. Aerospace Science and Technology, 85
- Chai R, Tsourdos A, Savvaris A, Chai S & Xia Y. (2018). Two-stage trajectory optimization for autonomous ground vehicles parking maneuver. IEEE Transactions on Industrial Informatics, 15(7)
- Chai R, Savvaris A, Tsourdos A, Xia Y & Chai S. (2018). Solving multiobjective constrained trajectory optimization problem by an extended evolutionary algorithm. IEEE Transactions on Cybernetics, 50(4)
- Savvaris A, Xie Y, Wang L, Wang S & Tsourdos A. (2018). Control and optimisation of hybrid electric propulsion system for light aircraft. The Journal of Engineering, 2018(13)
- Chai R, Savvaris A, Tsourdos A, Chai S & Xia Y. (2017). Trajectory optimization of space maneuver vehicle using a hybrid optimal control solver. IEEE Transactions on Cybernetics, 49(2)
- Opromolla R, Fasano G, Grassi M, Savvaris A & Moccia A. (2017). PCA-based line detection from range data for mapping and localization-aiding of UAVs. International Journal of Aerospace Engineering, 2017(1)
- Leonard J, Savvaris A & Tsourdos A. (2017). Distributed reactive collision avoidance for a swarm of quadrotors. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 231(6)
- Chai R, Savvaris A, Tsourdos A & Chai S. (2017). Multi-objective trajectory optimization of Space Maneuver Vehicle using adaptive differential evolution and modified game theory. Acta Astronautica, 136
- Chai R, Savvaris A, Tsourdos A, Chai S & Xia Y. (2017). Improved gradient-based algorithm for solving aeroassisted vehicle trajectory optimization problems. Journal of Guidance, Control, and Dynamics, 40(8)
- Chai R, Savvaris A, Tsourdos A & Xia Y. (2017). An interactive fuzzy physical programming for solving multiobjective skip entry problem. IEEE Transactions on Aerospace and Electronic Systems, 53(5)
- Chai R, Savvaris A & Tsourdos A. (2017). Violation learning differential evolution-based hp-Adaptive pseudospectral method for trajectory optimization of Space Maneuver Vehicle. IEEE Transactions on Aerospace and Electronic Systems, 53(4)
- Chai R, Savvaris A & Tsourdos A. (2016). Fuzzy physical programming for Space Manoeuvre Vehicles trajectory optimization based on hp-adaptive pseudospectral method. Acta Astronautica, 123
- Wang W & Savvaris A. (2016). Potential applications of skip SMV with thrust engine. Advances in Space Research, 58(9)
- Dong L, Chai S, Zhang B, Nguang SK & Savvaris A. (2016). Stability of a class of multi-agent tracking systems with unstable subsystems. IEEE Transactions on Cybernetics, 47(8)
- Melega M, Lazarus S, Savvaris A & Tsourdos A. (2015). Multiple Threats Sense and Avoid Algorithm for Static and Dynamic Obstacles. Journal of Intelligent & Robotic Systems, 77(1)
- Segui-Gasco P, Al-Rihani Y, Shin H-S & Savvaris A. (2014). A Novel Actuation Concept for a Multi Rotor UAV. Journal of Intelligent & Robotic Systems, 74(1-2)
- Melega M, Lazarus S, Lone M & Savvaris A. (2014). Autonomous sense & avoid capabilities based on aircraft performances estimation. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 228(4)
- Leonard J, Savvaris A & Tsourdos A. (2014). Energy Management in Swarm of Unmanned Aerial Vehicles. Journal of Intelligent & Robotic Systems, 74(1-2)
- Mannberg M & Savvaris A. (2014). Landmark Fingerprinting and Matching for Aerial Positioning Systems. Journal of Aerospace Information Systems, 11(3)
- Lazarus SB, Tsourdos A, White BA, Silson P, Savvaris A, .... (2012). Terrain based co‐operative UAV mapping of complex obstacles using 2‐D splinegon. International Journal of Intelligent Computing and Cybernetics, 5(3)
- Savaresi SM, Poussot-Vassal C, Spelta C, Sename O & Dugard L. (2010). Preface. Springer Aerospace Technology
- Buonanno A, Drikakis D, Papachristou C, Savvaris A, Vamvakoulas C, .... (2010). Computational investigation of the DEMON unmanned air vehicle thrust vectoring system. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 224(4)
- Otung IE & Savvaris A. (2006). Estimating tropospheric scintillation intensity on earth-space propagation paths. Electronics Letters, 42(7)
- Savvaris A, Kassianides CN & Otung IE. (2004). Observed Effects of Cloud and Wind on the Intensity and Spectrum of Scintillation. IEEE Transactions on Antennas and Propagation, 52(6)
- Otung IE & Savvaris A. (2003). Observed frequency scaling of amplitude scintillation at 20, 40, and 50 GHz. IEEE Transactions on Antennas and Propagation, 51(12)
Conference Papers
- Niu H, Ji Z, Savvaris A, Tsourdos A & Carrasco J. (2021). Model Checking for Decision Making System of Long Endurance Unmanned Surface Vehicle
- Xie Y, Savvaris A, Tsourdos A, Laycock J & Farmer A. (2018). Modelling and control of a hybrid electric propulsion system for unmanned aerial vehicles
- Malandrakis K, Savvaris A, Gonzalez Domingo JA, Avdelidis NP, Tsilivis P, .... (2018). Inspection of aircraft wing panels using unmanned aerial vehicles
- Wang L, Savvaris A & Tsourdos A. (2018). Online Battery Pack State of Charge Estimation via EKF-Fuzzy Logic Joint Method
- Xu S, Savvaris A, He S, Shin H & Tsourdos A. (2018). Real-time implementation of YOLO+JPDA for small scale UAV multiple object tracking
- Xu Z, Savvaris A, Tsourdos A & Alawadi T. (2018). High-frequency band automatic mode recognition using deep learning
- Guerout G, Alarcia PCB, Savvaris A & Tsourdos A. (2018). Development of a Novel Polyhedral Multirotor: A Dodecahedral Aerial Vehicle
- Iovino S, Savvaris A & Tsourdos A. (2018). Experimental Testing of a Path Manager for Unmanned Surface Vehicles in Survey Missions
- Azabi Y, Savvaris A & Kipouros T. (2018). Initial investigation of aerodynamic shape design optimisation for the Aegis UAV
- Alsader M & Savvaris A. (2018). Integrated Power Management for Energy Harvesters in Aircraft
- Chai R, Savvaris A & Tsourdos A. (2017). Analysis of optimization strategies for solving space manoeuvre vehicle trajectory optimization problem
- Bilale A, Savvaris A & Tsourdos A. (2017). A comparison between guidance laws for AUVs using relative kinematics
- Iovino S, Vetrella AR, Fasano G, Accardo D & Savvaris A. (2017). Implementation of a Distributed Flocking Algorithm with Obstacle Avoidance Capability for UAV Swarming
- Dinnbier NM, Thueux Y, Savvaris A & Tsourdos A. (2017). Target detection using Gaussian mixture models and fourier transforms for UAV maritime search and rescue
- Chai R, Savvaris A, Tsourdos A & Chai S. (2017). Solving multi-objective aeroassisted spacecraft trajectory optimization problems using extended NSGA-II
- Niu H, Savvaris A & Tsourdos A. (2017). USV geometric collision avoidance algorithm for multiple marine vehicles
- Quintin F, Iovino S, Savvaris A & Tsourdos A. (2017). Use of co-operative UAVs to support/augment UGV situational awareness and/or inter-vehicle communications
- Abdurahman B, Savvaris A & Tsourdos A. (2017). A switching LOS guidance with relative kinematics for path-following of underactuated underwater vehicles
- Savvaris A, Xie Y, Malandrakis K & Tsourdos A. (2016). Development of a fuel cell hybrid-powered unmanned aerial vehicle
- Niu H, Lu Y, Savvaris A & Tsourdos A. (2016). Efficient path following algorithm for unmanned surface vehicle
- Opromolla R, Fasano G, Rufino G, Grassi M & Savvaris A. (2016). LIDAR-inertial integration for UAV localization and mapping in complex environments
- Lu Y, Savvaris A, Tsourdos A & Bevilacqua M. (2016). Vibration energy harvesters for wireless sensor networks for aircraft health monitoring
- GHULAM A, SAVVARIS AL & TSOURDOS A. (2016). Efficiency of ZigBee Wireless Communication in Aircraft Environment
- Niu H, Savvaris A & Tsourdos A. (2016). Efficient path following algorithm for the C-Enduro USV
- Niu H, Lu Y, Savvaris A & Tsourdos A. (2016). Efficient path planning algorithms for Unmanned Surface Vehicle
- Lu Y, Niu H, Savvaris A & Tsourdos A. (2016). Verifying collision avoidance behaviours for unmanned surface vehicles using probabilistic model checking
- Malandrakis K, Dixon R, Savvaris A & Tsourdos A. (2016). Design and development of a novel spherical UAV
- Vetrella AR, Savvaris A, Fasano G & Accardo D. (2015). RGB-D camera-based quadrotor navigation in GPS-denied and low light environments using known 3D markers
- Wang W, Bae S, Leonard J, Savvaris A & Tsourdos A. (2015). Skip entry trajectory optimization based on evolutionary colocation
- Bae S, Wang A, Savvaris A & Tsourdos A. (2015). Multi-phase re-entry trajectory optimization for hypersonic vehicles based on Gaussian Quadrature Collocation Method
- Savvaris A, Melega M & Tsourdos A. (2015). Advanced Surface Movement and Obstacle Detection Using Thermal Camera for UAVs
- Salama FR & Savvaris A. (2014). Derivation and Comparison between Numerical Based and Novel Analytical Compromise Solutions to the Multi-Objective Control Allocation Problem
- Oh HNH, Tsourdos A & Savvaris A. (2014). Development of Collision Avoidance Algorithms for the C-Enduro USV
- Savvaris A, Buonanno A, Jamil R & Tsourdos A. (2013). Design and Development of the DEMON UAV Fluidic Flight Control System
- Bares P, Lazarus S, Tsourdos A & Savvaris A. (2013). Adaptive guidance for UAV based on Dubins path
- Al-Rihani Y, Segui Gasco P, Shin H-S, Savvaris A & Salama F. (2013). Modelling and Simulation of a Novel Dual Axes Tilt Quadrotor UAV
- Melega M, Lazarus S, Savvaris A & Tsourdos A. (2013). GPS/INS integration in a S&A algorithm based on aircraft performances estimation
- Leonard J, Savvaris A & Tsourdos A. (2013). Energy management in swarm of Unmanned Aerial Vehicles
- Segui-Gasco P, Al-Rihani Y, Shin H-S & Savvaris A. (2013). A novel actuation concept for a multi rotor UAV
- Roger-Verdeguer JF, Mannberg M & Savvaris A. (2012). Visual odometry with failure detection for the aegis UAV
- Alawadi T & Savvaris A. (2012). Cloud attenuation on satellite links in the Ka/V-band and the effect of changes in the effective cloud temperature
- Leonard J, Savvaris A & Tsourdos A. (2012). Towards a fully autonomous swarm of unmanned aerial vehicles
- Leonard J, Aldhaher S, Savvaris A & Tsourdos A. (2012). Automated Recharging Station for Swarm of Unmanned Aerial Vehicles
- Guo C, Kipouros T, Shapiro E & Savvaris A. (2012). On the Effects of Turbulence Modelling in Design Optimisation for High-lift Devices
- Lazarus SB, Tsourdos A, Sequeira J & Savvaris A. (2012). EKF based data fusion using interval analysis via covariance intersection, ML and a class of OGK covariance estimators
- Jamil R, Salama F, Lone M, Savvaris A & Whidborne J. (2012). Multi-objective Control Allocation with Conflict Resolution
- Alqaan H, Mannberg M & Savvaris A. (2012). Automatic Pipeline Detection for UAVs
- Mannberg M & Savvaris A. (2012). A Visual Positioning System for UAVs Using Landmark Fingerprinting
- Guo C, Kipouros T, Shapiro E & Savvaris A. (2012). On the effects of turbulence modelling in design optimisation for high-lift devices
- Agarwal S, Lazarus SB & Savvaris A. (2012). Monocular Vision Based Navigation and Localisation in Indoor Environments
- Melega M, Lazarus S & Savvaris A. (2011). Sense & Avoid Algorithm based on Aircraft Performances Estimation
- Melega M, Lazarus S & Savvaris A. (2011). Autonomous collision avoidance based on aircraft performances estimation
- Mannberg M, Silson P, Tsourdos A & Savvaris A. (2011). High Precision Real-time 3D Tracking Using Cameras
- Kicman P, Silson P, Tsourdos A & Savvaris A. (2011). Cartographer - A Terrain Mapping and Landmark-based Localization System for Small Robots
- Oheda H, Lazarus S & Savvaris A. (2011). Experimental Validation of a Dynamics Fuel-Cell Model using a 1.2kW Nexa Power Module
- Xiong T & Savvaris A. (2011). Diagnosis and prognosis health management for aircraft electrical power system
- Jamil R & Savvaris A. (2010). Application of reconfigurable control allocation method for unmanned aerial vehicle with integrated fluidic devices
- Lopez-Mejia L, Chai S & Savvaris A. (2010). Damage detection and condition monitoring for UAVs using neural networks
- Oheda A, Omar B, Chai SC, Aseeri A & Savvaris A. (2010). Experimental analysis of the dynamic performance of PEM fuel cell under various load changes
- Omar B, Lopez-Mejia L, Salama F & Savvaris A. (2010). Modelling of a Hybrid Fuel Cell Propulsion System for Small UAV
- Alawadi T, Savvaris A & Ventouras S. (2010). Comparative Analysis of Tropospheric Degradation in Southern England
- Jamil R, Savvaris A & Whidborne JF. (2010). Effector Failure Mitigation by Control Allocation for a UAV with Integrated Fluidic Control Devices
- Wilde P, Buonanno A, Crowther W & Savvaris A. (2008). Aircraft Control Using Fluidic Maneuver Effectors
- Savvaris A, Otung I & Kassianides N. (2004). Observation of Scintillation Degradation on Satellite Links in Southern England
- Savvaris A. (2003). Effects of meteorological parameters and the averaging period on the intensity of tropospheric scintillation
- Savvaris A. (2003). Observed correlation between frequency exponent and elevation angle of tropospheric scintillation
- Savvaris A & Otung IE. (2002). Spectral analysis of amplitude scintillation on a V-band satellite link
- Savvaris A, Kassianides C & Otung I. (2002). Scintillation Fade and Enhancement Duration Statistics at 20, 40 and 50GHz
- Savvaris A. (2001). Observed effects of wind on the intensity and spectrum of scintillation
- Savvaris A & Otung IE. (2001). Probability distribution of tropospheric scintillation and the diurnal and seasonal behaviour
- Savvaris A & Otung IE. (2001). Frequency scaling of clear-sky amplitude scintillation
Books
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Real-Time Optimal Guidance and Control Strategies for Space Maneuver Vehicles In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Stochastic Trajectory Optimization Problems with Chance Constraints In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Modeling of the Trajectory Optimization Problems In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Introduction In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Hybrid Optimization Methods with Enhanced Convergence Ability In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Multi-objective Trajectory Optimization Problem In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Overview of Trajectory Optimization Techniques In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Performance Analysis of Different Optimization Strategies In Springer Aerospace Technology. Springer Singapore.
- Chai R, Savvaris A, Tsourdos A & Chai S. (2020). Design of Trajectory Optimization Approach for Space Maneuver Vehicle Skip Entry Problems
- Economou JT & Savvaris A. Propulsion Systems In Encyclopedia of Aerospace Engineering. Wiley.